[INFO] fetching crate usbsdmux 0.1.0...
[INFO] checking usbsdmux-0.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate usbsdmux 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate usbsdmux 0.1.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbsdmux 0.1.0
[INFO] finished tweaking crates.io crate usbsdmux 0.1.0
[INFO] tweaked toml for crates.io crate usbsdmux 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate usbsdmux 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usb2642-i2c v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ced95bf8951b5845e0209fc66eb0832e819fd2a8a407343d05f8adf21b2c3fa
[INFO] running `Command { std: "docker" "start" "-a" "0ced95bf8951b5845e0209fc66eb0832e819fd2a8a407343d05f8adf21b2c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ced95bf8951b5845e0209fc66eb0832e819fd2a8a407343d05f8adf21b2c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ced95bf8951b5845e0209fc66eb0832e819fd2a8a407343d05f8adf21b2c3fa", kill_on_drop: false }`
[INFO] [stdout] 0ced95bf8951b5845e0209fc66eb0832e819fd2a8a407343d05f8adf21b2c3fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c2df4a18bf7e327742d7e53241119881c9697157fb2222e6c9e242ed91ceb0
[INFO] running `Command { std: "docker" "start" "-a" "94c2df4a18bf7e327742d7e53241119881c9697157fb2222e6c9e242ed91ceb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking usb2642-i2c v0.1.1
[INFO] [stderr]     Checking usbsdmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stdout] warning: variants `InputPort` and `PolarityInversion` are never constructed
[INFO] [stdout]   --> src/pca9536.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 12 |     InputPort = 0,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     OutputPort = 1,
[INFO] [stdout] 14 |     PolarityInversion = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Input` is never constructed
[INFO] [stdout]   --> src/pca9536.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Direction {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 31 |     Output = 0,
[INFO] [stdout] 32 |     Input = 1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_register`, `get_input_port`, and `set_polarity_inversion` are never used
[INFO] [stdout]   --> src/pca9536.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl PCA9536 {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stdout] warning: variants `InputPort` and `PolarityInversion` are never constructed
[INFO] [stdout]   --> src/pca9536.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 12 |     InputPort = 0,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     OutputPort = 1,
[INFO] [stdout] 14 |     PolarityInversion = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Input` is never constructed
[INFO] [stdout]   --> src/pca9536.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Direction {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 31 |     Output = 0,
[INFO] [stdout] 32 |     Input = 1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_register`, `get_input_port`, and `set_polarity_inversion` are never used
[INFO] [stdout]   --> src/pca9536.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl PCA9536 {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "94c2df4a18bf7e327742d7e53241119881c9697157fb2222e6c9e242ed91ceb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c2df4a18bf7e327742d7e53241119881c9697157fb2222e6c9e242ed91ceb0", kill_on_drop: false }`
[INFO] [stdout] 94c2df4a18bf7e327742d7e53241119881c9697157fb2222e6c9e242ed91ceb0